docs: def by_phone(self, phone, **kwargs):
          """
          Fetch messages from chat with specified phone number.
  
          :Example:
  
          chat = client.chats.by_phone(phone="447624800500")
  
          :param str phone: Phone number in E.164 format.
          :param int page:  Fetch specified results page. Default=1
          :param int limit: How many results on page. Default=10
          """
          chat_messages = ChatMessages(self.base_uri, self.auth)
          return self.get_subresource_instances(uid=phone, instance=chat_messages, params=kwargs)